A silver-ionic water having the pH of not more than 5 or not less than 8 and silver ion concentration of 0.03 to 10 ppm. The silver-ionic water can be used as a bacteriostatic water, a growth promotive acidic water for plant cultivation, a growth promotive alkaline water for plant cultivation, a the ...

A process for producing an aqueous silver ion-containing solution, comprising the steps of: (a) passing water through a first electrolytic cell chamber (11) comprising a silver or silver alloy-containing anode and a cathode, with the application of a voltage between said anode and cathode to dissolv ...